CMakeLists.txt

   1 # CMake build file list for OpenAL
   2
   3 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
   4
   5 PROJECT(OpenAL)
   6
   7 IF(COMMAND CMAKE_POLICY)
   8   CMAKE_POLICY(SET CMP0003 NEW)
   9   CMAKE_POLICY(SET CMP0005 NEW)
  10 ENDIF(COMMAND CMAKE_POLICY)
  11
  12 SET(CMAKE_MODULE_PATH "${OpenAL_SOURCE_DIR}/cmake")
  13
  14 INCLUDE(CheckFunctionExists)
  15 INCLUDE(CheckLibraryExists)
  16 INCLUDE(CheckSharedFunctionExists)
  17 INCLUDE(CheckIncludeFile)
  18 INCLUDE(CheckIncludeFiles)
  19 INCLUDE(CheckSymbolExists)
  20 INCLUDE(CheckCCompilerFlag)
  21 INCLUDE(CheckCSourceCompiles)
  22 INCLUDE(CheckTypeSize)
  23 include(CheckFileOffsetBits)
  24
  25
  26 SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
  27
  28
  29 OPTION(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
  30
  31 OPTION(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
  32
  33 OPTION(ALSOFT_UTILS          "Build and install utility programs"         ON)
  34 OPTION(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
  35
  36 OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  ON)
  37
  38 OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
  39 OPTION(ALSOFT_HRTF_DEFS "Install HRTF definition files" ON)
  40 OPTION(ALSOFT_INSTALL "Install headers and libraries" ON)
  41
  42
  43 IF(WIN32)
  44     SET(LIBNAME OpenAL32)
  45     ADD_DEFINITIONS("-D_WIN32 -D_WIN32_WINNT=0x0502")
  46
  47     # This option is mainly for static linking OpenAL Soft into another project
  48     # that already defines the IDs. It is up to that project to ensure all
  49     # required IDs are defined.
  50     OPTION(ALSOFT_NO_UID_DEFS "Do not define GUIDs, IIDs, CLSIDs, or PropertyKeys" OFF)
  51
  52     IF(MINGW)
  53         OPTION(ALSOFT_BUILD_IMPORT_LIB "Build an import .lib using dlltool (requires sed)" ON)
  54         IF(NOT DLLTOOL)
  55             IF(HOST)
  56                 SET(DLLTOOL "${HOST}-dlltool")
  57             ELSE()
  58                 SET(DLLTOOL "dlltool")
  59             ENDIF()
  60         ENDIF()
  61     ENDIF()
  62 ELSE()
  63     SET(LIBNAME openal)
  64
  65     # These are needed on non-Windows systems for extra features
  66     ADD_DEFINITIONS(-D_GNU_SOURCE=1 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700)
  67     SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_GNU_SOURCE=1 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700")
  68 ENDIF()
  69
  70 # Set defines for large file support
  71 CHECK_FILE_OFFSET_BITS()
  72 IF(_FILE_OFFSET_BITS)
  73     ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS})
  74     SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
  75 ENDIF()
  76 ADD_DEFINITIONS(-D_LARGEFILE_SOURCE -D_LARGE_FILES)
  77 SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_LARGEFILE_SOURCE -D_LARGE_FILES")
  78
  79
  80 # QNX's gcc do not uses /usr/include and /usr/lib pathes by default
  81 IF ("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
  82     ADD_DEFINITIONS("-I/usr/include")
  83     SET(EXTRA_LIBS ${EXTRA_LIBS} -L/usr/lib)
  84 ENDIF()
  85
  86 IF(NOT LIBTYPE)
  87     SET(LIBTYPE SHARED)
  88 ENDIF()
  89
  90 SET(LIB_MAJOR_VERSION "1")
  91 SET(LIB_MINOR_VERSION "16")
  92 SET(LIB_REVISION "0")
  93 SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_REVISION}")
  94
  95 SET(EXPORT_DECL "")
  96 SET(ALIGN_DECL "")
  97
  98
  99 CHECK_TYPE_SIZE("long" SIZEOF_LONG)
 100 CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
 101
 102
 103 CHECK_C_COMPILER_FLAG(-std=c99 HAVE_STD_C99)
 104 IF(HAVE_STD_C99)
 105     SET(CMAKE_C_FLAGS "-std=c99 ${CMAKE_C_FLAGS}")
 106 ENDIF()
 107
 108 # MSVC may need workarounds for C99 restrict and inline
 109 IF(MSVC)
 110     # TODO: Once we truly require C99, these restrict and inline checks should go
 111     # away.
 112     CHECK_C_SOURCE_COMPILES("int *restrict foo;
 113                              int main() {return 0;}" HAVE_RESTRICT)
 114     IF(NOT HAVE_RESTRICT)
 115         ADD_DEFINITIONS("-Drestrict=")
 116         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Drestrict=")
 117     ENDIF()
 118
 119     CHECK_C_SOURCE_COMPILES("inline void foo(void) { }
 120                              int main() {return 0;}" HAVE_INLINE)
 121     IF(NOT HAVE_INLINE)
 122         CHECK_C_SOURCE_COMPILES("__inline void foo(void) { }
 123                                  int main() {return 0;}" HAVE___INLINE)
 124         IF(NOT HAVE___INLINE)
 125             MESSAGE(FATAL_ERROR "No inline keyword found, please report!")
 126         ENDIF()
 127
 128         ADD_DEFINITIONS(-Dinline=__inline)
 129         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Dinline=__inline")
 130     ENDIF()
 131 ENDIF()
 132
 133 # Make sure we have C99-style inline semantics with GCC (4.3 or newer).
 134 IF(CMAKE_COMPILER_IS_GNUCC)
 135     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 136     # Force no inlining for the next test.
 137     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -fno-inline")
 138
 139     CHECK_C_SOURCE_COMPILES("extern inline int foo() { return 0; }
 140                              int main() {return foo();}" INLINE_IS_C99)
 141     IF(NOT INLINE_IS_C99)
 142         MESSAGE(FATAL_ERROR "Your compiler does not seem to have C99 inline semantics!
 143                              Please update your compiler for better C99 compliance.")
 144     ENDIF()
 145
 146     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 147 ENDIF()
 148
 149 # Check if we have C99 variable length arrays
 150 CHECK_C_SOURCE_COMPILES(
 151 "int main(int argc, char *argv[])
 152  {
 153      volatile int tmp[argc];
 154      tmp[0] = argv[0][0];
 155      return tmp[0];
 156  }"
 157 HAVE_C99_VLA)
 158
 159 # Check if we have C99 bool
 160 CHECK_C_SOURCE_COMPILES(
 161 "int main(int argc, char *argv[])
 162  {
 163      volatile _Bool ret;
 164      ret = (argc > 1) ? 1 : 0;
 165      return ret ? -1 : 0;
 166  }"
 167 HAVE_C99_BOOL)
 168
 169 # Check if we have C11 static_assert
 170 CHECK_C_SOURCE_COMPILES(
 171 "int main()
 172  {
 173      _Static_assert(sizeof(int) == sizeof(int), \"What\");
 174      return 0;
 175  }"
 176 HAVE_C11_STATIC_ASSERT)
 177
 178 # Check if we have C11 alignas
 179 CHECK_C_SOURCE_COMPILES(
 180 "_Alignas(16) int foo;
 181  int main()
 182  {
 183      return 0;
 184  }"
 185 HAVE_C11_ALIGNAS)
 186
 187 # Check if we have C11 _Atomic
 188 CHECK_C_SOURCE_COMPILES(
 189 "#include <stdatomic.h>
 190  const int _Atomic foo = ATOMIC_VAR_INIT(~0);
 191  int main()
 192  {
 193      return atomic_load(&foo);
 194  }"
 195 HAVE_C11_ATOMIC)
 196
 197 # Add definitions, compiler switches, etc.
 198 INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/include" "${OpenAL_BINARY_DIR}")
 199 IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 200     INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
 201     IF(WIN32 AND ALSOFT_NO_UID_DEFS)
 202         ADD_DEFINITIONS("-DAL_NO_UID_DEFS")
 203     ENDIF()
 204 ENDIF()
 205
 206 IF(NOT CMAKE_BUILD_TYPE)
 207     SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
 208         "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
 209         FORCE)
 210 ENDIF()
 211 IF(NOT CMAKE_DEBUG_POSTFIX)
 212     SET(CMAKE_DEBUG_POSTFIX "" CACHE STRING
 213         "Library postfix for debug builds. Normally left blank."
 214         FORCE)
 215 ENDIF()
 216
 217 IF(MSVC)
 218     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
 219     ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
 220     ADD_DEFINITIONS("/wd4098")
 221
 222     IF(NOT DXSDK_DIR)
 223         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
 224     ELSE()
 225         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "${DXSDK_DIR}")
 226     ENDIF()
 227     IF(DXSDK_DIR)
 228         MESSAGE(STATUS "Using DirectX SDK directory: ${DXSDK_DIR}")
 229     ENDIF()
 230
 231     OPTION(FORCE_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 232     IF(FORCE_STATIC_VCRT)
 233         FOREACH(flag_var
 234                 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
 235                 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
 236             IF(${flag_var} MATCHES "/MD")
 237                 STRING(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
 238             ENDIF()
 239         ENDFOREACH(flag_var)
 240     ENDIF()
 241 ELSE()
 242     ADD_DEFINITIONS(-Winline -Wall)
 243     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
 244     IF(HAVE_W_EXTRA)
 245         ADD_DEFINITIONS(-Wextra)
 246     ENDIF()
 247
 248     IF(ALSOFT_WERROR)
 249         ADD_DEFINITIONS(-Werror)
 250     ENDIF()
 251
 252     # Force enable -fPIC for CMake versions before 2.8.9 (later versions have
 253     # the POSITION_INDEPENDENT_CODE target property). The static common library
 254     # will be linked into the dynamic openal library, which requires all its
 255     # code to be position-independent.
 256     IF(CMAKE_VERSION VERSION_LESS "2.8.9" AND NOT WIN32)
 257         CHECK_C_COMPILER_FLAG(-fPIC HAVE_FPIC_SWITCH)
 258         IF(HAVE_FPIC_SWITCH)
 259             ADD_DEFINITIONS(-fPIC)
 260         ENDIF()
 261     ENDIF()
 262
 263     # We want RelWithDebInfo to actually include debug stuff (define _DEBUG
 264     # instead of NDEBUG)
 265     FOREACH(flag_var  CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
 266         IF(${flag_var} MATCHES "-DNDEBUG")
 267             STRING(REGEX REPLACE "-DNDEBUG" "-D_DEBUG" ${flag_var} "${${flag_var}}")
 268         ENDIF()
 269     ENDFOREACH()
 270
 271     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
 272                              int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 273 ENDIF()
 274
 275 # Set visibility/export options if available
 276 IF(WIN32)
 277     SET(EXPORT_DECL "__declspec(dllexport)")
 278     IF(NOT MINGW)
 279         SET(ALIGN_DECL "__declspec(align(x))")
 280     ELSE()
 281         SET(ALIGN_DECL "__declspec(aligned(x))")
 282     ENDIF()
 283 ELSE()
 284     SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
 285     # Yes GCC, really don't accept visibility modes you don't support
 286     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Wattributes -Werror")
 287
 288     CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\")));
 289                              int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY)
 290     IF(HAVE_GCC_PROTECTED_VISIBILITY)
 291         SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))")
 292     ELSE()
 293         CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\")));
 294                                  int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY)
 295         IF(HAVE_GCC_DEFAULT_VISIBILITY)
 296             SET(EXPORT_DECL "__attribute__((visibility(\"default\")))")
 297         ENDIF()
 298     ENDIF()
 299
 300     IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
 301         CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
 302         IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
 303             ADD_DEFINITIONS(-fvisibility=hidden)
 304         ENDIF()
 305     ENDIF()
 306
 307     CHECK_C_SOURCE_COMPILES("int foo __attribute__((aligned(16)));
 308                              int main() {return 0;}" HAVE_ATTRIBUTE_ALIGNED)
 309     IF(HAVE_ATTRIBUTE_ALIGNED)
 310         SET(ALIGN_DECL "__attribute__((aligned(x)))")
 311     ENDIF()
 312
 313     SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}")
 314 ENDIF()
 315
 316 SET(SSE_SWITCH "")
 317 SET(SSE2_SWITCH "")
 318 SET(SSE4_1_SWITCH "")
 319 IF(NOT MSVC)
 320     CHECK_C_COMPILER_FLAG(-msse HAVE_MSSE_SWITCH)
 321     IF(HAVE_MSSE_SWITCH)
 322         SET(SSE_SWITCH "-msse")
 323     ENDIF()
 324     CHECK_C_COMPILER_FLAG(-msse2 HAVE_MSSE2_SWITCH)
 325     IF(HAVE_MSSE2_SWITCH)
 326         SET(SSE2_SWITCH "-msse2")
 327     ENDIF()
 328     CHECK_C_COMPILER_FLAG(-msse4.1 HAVE_MSSE4_1_SWITCH)
 329     IF(HAVE_MSSE4_1_SWITCH)
 330         SET(SSE4_1_SWITCH "-msse4.1")
 331     ENDIF()
 332 ENDIF()
 333
 334 CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
 335                          int main() {return 0;}" HAVE_GCC_FORMAT)
 336
 337 CHECK_INCLUDE_FILE(stdbool.h HAVE_STDBOOL_H)
 338 CHECK_INCLUDE_FILE(stdalign.h HAVE_STDALIGN_H)
 339 CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
 340 CHECK_INCLUDE_FILE(ftw.h HAVE_FTW_H)
 341 CHECK_INCLUDE_FILE(io.h HAVE_IO_H)
 342 CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
 343 CHECK_INCLUDE_FILE(cpuid.h HAVE_CPUID_H)
 344 CHECK_INCLUDE_FILE(intrin.h HAVE_INTRIN_H)
 345 CHECK_INCLUDE_FILE(sys/sysconf.h HAVE_SYS_SYSCONF_H)
 346 CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
 347 CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
 348 CHECK_INCLUDE_FILE(ieeefp.h HAVE_IEEEFP_H)
 349 CHECK_INCLUDE_FILE(guiddef.h HAVE_GUIDDEF_H)
 350 IF(NOT HAVE_GUIDDEF_H)
 351     CHECK_INCLUDE_FILE(initguid.h HAVE_INITGUID_H)
 352 ENDIF()
 353
 354 IF(HAVE_CPUID_H)
 355     CHECK_C_SOURCE_COMPILES("#include <cpuid.h>
 356         int main()
 357         {
 358             unsigned int eax, ebx, ecx, edx;
 359             return __get_cpuid(0, &eax, &ebx, &ecx, &edx);
 360         }" HAVE_GCC_GET_CPUID)
 361 ENDIF()
 362
 363 IF(HAVE_INTRIN_H)
 364     CHECK_C_SOURCE_COMPILES("#include <intrin.h>
 365         int main()
 366         {
 367             int regs[4];
 368             __cpuid(regs, 0);
 369             return regs[0];
 370         }" HAVE_CPUID_INTRINSIC)
 371 ENDIF()
 372
 373 # Some systems need libm for some of the following math functions to work
 374 CHECK_LIBRARY_EXISTS(m pow "" HAVE_LIBM)
 375 IF(HAVE_LIBM)
 376     SET(EXTRA_LIBS m ${EXTRA_LIBS})
 377     SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} m)
 378 ENDIF()
 379
 380
 381 CHECK_SYMBOL_EXISTS(aligned_alloc    stdlib.h HAVE_ALIGNED_ALLOC)
 382 CHECK_SYMBOL_EXISTS(posix_memalign   stdlib.h HAVE_POSIX_MEMALIGN)
 383 CHECK_SYMBOL_EXISTS(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)
 384 CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF)
 385 IF(NOT HAVE_C99_VLA)
 386     CHECK_SYMBOL_EXISTS(alloca malloc.h HAVE_ALLOCA)
 387     IF(NOT HAVE_ALLOCA)
 388         MESSAGE(FATAL_ERROR "No alloca function found, please report!")
 389     ENDIF()
 390 ENDIF()
 391
 392 IF(HAVE_FLOAT_H)
 393     CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP)
 394     CHECK_SYMBOL_EXISTS(__control87_2 float.h HAVE___CONTROL87_2)
 395 ENDIF()
 396 IF(HAVE_FTW_H)
 397     CHECK_SYMBOL_EXISTS(ftw ftw.h HAVE_FTW)
 398 ENDIF()
 399 IF(HAVE_IO_H)
 400     CHECK_SYMBOL_EXISTS(_wfindfirst io.h HAVE__WFINDFIRST)
 401 ENDIF()
 402
 403 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
 404 CHECK_FUNCTION_EXISTS(stat HAVE_STAT)
 405 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 406 IF(NOT HAVE_STRCASECMP)
 407     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
 408     IF(NOT HAVE__STRICMP)
 409         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
 410     ENDIF()
 411
 412     ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
 413 ENDIF()
 414
 415 CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
 416 IF(NOT HAVE_STRNCASECMP)
 417     CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
 418     IF(NOT HAVE__STRNICMP)
 419         MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
 420     ENDIF()
 421
 422     ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
 423 ENDIF()
 424
 425 CHECK_SYMBOL_EXISTS(snprintf stdio.h HAVE_SNPRINTF)
 426 IF(NOT HAVE_SNPRINTF)
 427     CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
 428     IF(NOT HAVE__SNPRINTF)
 429         MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
 430     ENDIF()
 431
 432     ADD_DEFINITIONS(-Dsnprintf=_snprintf)
 433 ENDIF()
 434
 435 CHECK_SYMBOL_EXISTS(isfinite math.h HAVE_ISFINITE)
 436 IF(NOT HAVE_ISFINITE)
 437     CHECK_FUNCTION_EXISTS(finite HAVE_FINITE)
 438     IF(NOT HAVE_FINITE)
 439         CHECK_FUNCTION_EXISTS(_finite HAVE__FINITE)
 440         IF(NOT HAVE__FINITE)
 441             MESSAGE(FATAL_ERROR "No isfinite function found, please report!")
 442         ENDIF()
 443         ADD_DEFINITIONS(-Disfinite=_finite)
 444     ELSE()
 445         ADD_DEFINITIONS(-Disfinite=finite)
 446     ENDIF()
 447 ENDIF()
 448
 449 CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
 450 IF(NOT HAVE_ISNAN)
 451     CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN)
 452     IF(NOT HAVE__ISNAN)
 453         MESSAGE(FATAL_ERROR "No isnan function found, please report!")
 454     ENDIF()
 455
 456     ADD_DEFINITIONS(-Disnan=_isnan)
 457 ENDIF()
 458
 459
 460 # Check for the dlopen API (for dynamicly loading backend libs)
 461 IF(ALSOFT_DLOPEN)
 462     CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
 463     IF(HAVE_DLFCN_H)
 464         CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
 465         IF(HAVE_LIBDL)
 466             SET(EXTRA_LIBS dl ${EXTRA_LIBS})
 467         ENDIF()
 468     ENDIF()
 469 ENDIF()
 470
 471 # Check if we have Windows headers
 472 CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0502)
 473 IF(NOT HAVE_WINDOWS_H)
 474     CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
 475     IF(NOT HAVE_GETTIMEOFDAY)
 476         MESSAGE(FATAL_ERROR "No timing function found!")
 477     ENDIF()
 478
 479     CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
 480     IF(NOT HAVE_NANOSLEEP)
 481         MESSAGE(FATAL_ERROR "No sleep function found!")
 482     ENDIF()
 483
 484     # We need pthreads outside of Windows
 485     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
 486     IF(NOT HAVE_PTHREAD_H)
 487         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
 488     ENDIF()
 489     # Some systems need pthread_np.h to get recursive mutexes
 490     CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
 491
 492     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
 493     IF(HAVE_PTHREAD)
 494         ADD_DEFINITIONS(-pthread)
 495         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
 496         SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
 497     ENDIF()
 498
 499     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
 500     IF(HAVE_LIBPTHREAD)
 501         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
 502     ENDIF()
 503
 504     CHECK_SYMBOL_EXISTS(pthread_setschedparam pthread.h HAVE_PTHREAD_SETSCHEDPARAM)
 505
 506     IF(HAVE_PTHREAD_NP_H)
 507         CHECK_SYMBOL_EXISTS(pthread_setname_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SETNAME_NP)
 508         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 509             CHECK_SYMBOL_EXISTS(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
 510         ENDIF()
 511         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np "pthread.h;pthread_np.h" HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 512     ELSE()
 513         CHECK_SYMBOL_EXISTS(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
 514         IF(NOT HAVE_PTHREAD_SETNAME_NP)
 515             CHECK_SYMBOL_EXISTS(pthread_set_name_np pthread.h HAVE_PTHREAD_SET_NAME_NP)
 516         ENDIF()
 517         CHECK_SYMBOL_EXISTS(pthread_mutexattr_setkind_np pthread.h HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
 518     ENDIF()
 519
 520     CHECK_SYMBOL_EXISTS(pthread_mutex_timedlock pthread.h HAVE_PTHREAD_MUTEX_TIMEDLOCK)
 521
 522     CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
 523     IF(HAVE_LIBRT)
 524         SET(EXTRA_LIBS rt ${EXTRA_LIBS})
 525     ENDIF()
 526 ENDIF()
 527
 528 # Check for a 64-bit type
 529 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
 530 IF(NOT HAVE_STDINT_H)
 531     IF(HAVE_WINDOWS_H)
 532         CHECK_C_SOURCE_COMPILES("#define _WIN32_WINNT 0x0502
 533                                  #include <windows.h>
 534                                  __int64 foo;
 535                                  int main() {return 0;}" HAVE___INT64)
 536     ENDIF()
 537     IF(NOT HAVE___INT64)
 538         IF(NOT SIZEOF_LONG MATCHES "8")
 539             IF(NOT SIZEOF_LONG_LONG MATCHES "8")
 540                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
 541             ENDIF()
 542         ENDIF()
 543     ENDIF()
 544 ENDIF()
 545
 546
 547 SET(COMMON_OBJS  common/atomic.c
 548                  common/rwlock.c
 549                  common/threads.c
 550                  common/uintmap.c
 551 )
 552 SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
 553                  OpenAL32/alBuffer.c
 554                  OpenAL32/alEffect.c
 555                  OpenAL32/alError.c
 556                  OpenAL32/alExtension.c
 557                  OpenAL32/alFilter.c
 558                  OpenAL32/alFontsound.c
 559                  OpenAL32/alListener.c
 560                  OpenAL32/alMidi.c
 561                  OpenAL32/alPreset.c
 562                  OpenAL32/alSoundfont.c
 563                  OpenAL32/alSource.c
 564                  OpenAL32/alState.c
 565                  OpenAL32/alThunk.c
 566                  OpenAL32/sample_cvt.c
 567 )
 568 SET(ALC_OBJS  Alc/ALc.c
 569               Alc/ALu.c
 570               Alc/alcConfig.c
 571               Alc/alcRing.c
 572               Alc/bs2b.c
 573               Alc/effects/autowah.c
 574               Alc/effects/chorus.c
 575               Alc/effects/compressor.c
 576               Alc/effects/dedicated.c
 577               Alc/effects/distortion.c
 578               Alc/effects/echo.c
 579               Alc/effects/equalizer.c
 580               Alc/effects/flanger.c
 581               Alc/effects/modulator.c
 582               Alc/effects/null.c
 583               Alc/effects/reverb.c
 584               Alc/helpers.c
 585               Alc/hrtf.c
 586               Alc/panning.c
 587               Alc/mixer.c
 588               Alc/mixer_c.c
 589 )
 590
 591
 592 SET(CPU_EXTS "Default")
 593 SET(HAVE_SSE        0)
 594 SET(HAVE_SSE2       0)
 595 SET(HAVE_SSE4_1     0)
 596 SET(HAVE_NEON       0)
 597
 598 SET(HAVE_FLUIDSYNTH 0)
 599
 600 SET(HAVE_ALSA       0)
 601 SET(HAVE_OSS        0)
 602 SET(HAVE_SOLARIS    0)
 603 SET(HAVE_SNDIO      0)
 604 SET(HAVE_QSA        0)
 605 SET(HAVE_DSOUND     0)
 606 SET(HAVE_MMDEVAPI   0)
 607 SET(HAVE_WINMM      0)
 608 SET(HAVE_PORTAUDIO  0)
 609 SET(HAVE_PULSEAUDIO 0)
 610 SET(HAVE_COREAUDIO  0)
 611 SET(HAVE_OPENSL     0)
 612 SET(HAVE_WAVE       0)
 613
 614 # Check for SSE support
 615 OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
 616 CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE_SWITCH}")
 617 IF(HAVE_XMMINTRIN_H)
 618     OPTION(ALSOFT_CPUEXT_SSE "Enable SSE support" ON)
 619     IF(ALSOFT_CPUEXT_SSE)
 620         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 621             SET(HAVE_SSE 1)
 622             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse.c)
 623             IF(SSE_SWITCH)
 624                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse.c PROPERTIES
 625                                             COMPILE_FLAGS "${SSE_SWITCH}")
 626             ENDIF()
 627             SET(CPU_EXTS "${CPU_EXTS}, SSE")
 628         ENDIF()
 629     ENDIF()
 630 ENDIF()
 631 IF(ALSOFT_REQUIRE_SSE AND NOT HAVE_SSE)
 632     MESSAGE(FATAL_ERROR "Failed to enabled required SSE CPU extensions")
 633 ENDIF()
 634
 635 OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
 636 CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
 637 IF(HAVE_EMMINTRIN_H)
 638     OPTION(ALSOFT_CPUEXT_SSE2 "Enable SSE2 support" ON)
 639     IF(HAVE_SSE AND ALSOFT_CPUEXT_SSE2)
 640         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 641             SET(HAVE_SSE2 1)
 642             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse2.c)
 643             IF(SSE2_SWITCH)
 644                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse2.c PROPERTIES
 645                                             COMPILE_FLAGS "${SSE2_SWITCH}")
 646             ENDIF()
 647             SET(CPU_EXTS "${CPU_EXTS}, SSE2")
 648         ENDIF()
 649     ENDIF()
 650 ENDIF()
 651 IF(ALSOFT_REQUIRE_SSE2 AND NOT HAVE_SSE2)
 652     MESSAGE(FATAL_ERROR "Failed to enable required SSE2 CPU extensions")
 653 ENDIF()
 654
 655 OPTION(ALSOFT_REQUIRE_SSE4_1 "Require SSE4.1 support" OFF)
 656 CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
 657 IF(HAVE_SMMINTRIN_H)
 658     OPTION(ALSOFT_CPUEXT_SSE4_1 "Enable SSE4.1 support" ON)
 659     IF(HAVE_SSE2 AND ALSOFT_CPUEXT_SSE4_1)
 660         IF(ALIGN_DECL OR HAVE_C11_ALIGNAS)
 661             SET(HAVE_SSE4_1 1)
 662             SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_sse41.c)
 663             IF(SSE4_1_SWITCH)
 664                 SET_SOURCE_FILES_PROPERTIES(Alc/mixer_sse41.c PROPERTIES
 665                                             COMPILE_FLAGS "${SSE4_1_SWITCH}")
 666             ENDIF()
 667             SET(CPU_EXTS "${CPU_EXTS}, SSE4.1")
 668         ENDIF()
 669     ENDIF()
 670 ENDIF()
 671 IF(ALSOFT_REQUIRE_SSE4_1 AND NOT HAVE_SSE4_1)
 672     MESSAGE(FATAL_ERROR "Failed to enable required SSE4.1 CPU extensions")
 673 ENDIF()
 674
 675 # Check for ARM Neon support
 676 OPTION(ALSOFT_REQUIRE_NEON "Require ARM Neon support" OFF)
 677 CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H)
 678 IF(HAVE_ARM_NEON_H)
 679     OPTION(ALSOFT_CPUEXT_NEON "Enable ARM Neon support" ON)
 680     IF(ALSOFT_CPUEXT_NEON)
 681         SET(HAVE_NEON 1)
 682         SET(ALC_OBJS  ${ALC_OBJS} Alc/mixer_neon.c)
 683         SET(CPU_EXTS "${CPU_EXTS}, Neon")
 684     ENDIF()
 685 ENDIF()
 686 IF(ALSOFT_REQUIRE_NEON AND NOT HAVE_NEON)
 687     MESSAGE(FATAL_ERROR "Failed to enabled required ARM Neon CPU extensions")
 688 ENDIF()
 689
 690
 691 IF(WIN32 OR HAVE_DLFCN_H)
 692     SET(IS_LINKED "")
 693     MACRO(ADD_BACKEND_LIBS _LIBS)
 694     ENDMACRO()
 695 ELSE()
 696     SET(IS_LINKED " (linked)")
 697     MACRO(ADD_BACKEND_LIBS _LIBS)
 698         SET(EXTRA_LIBS ${_LIBS} ${EXTRA_LIBS})
 699     ENDMACRO()
 700 ENDIF()
 701
 702 SET(ALC_OBJS  ${ALC_OBJS}
 703               Alc/midi/base.c
 704               Alc/midi/sf2load.c
 705               Alc/midi/dummy.c
 706               Alc/midi/fluidsynth.c
 707               Alc/midi/soft.c
 708 )
 709
 710 # Check for FluidSynth support
 711 OPTION(ALSOFT_REQUIRE_FLUIDSYNTH "Require FluidSynth MIDI" OFF)
 712 FIND_PACKAGE(FluidSynth)
 713 IF(FLUIDSYNTH_FOUND)
 714     OPTION(ALSOFT_MIDI_FLUIDSYNTH "Enable FluidSynth MIDI" ON)
 715     IF(ALSOFT_MIDI_FLUIDSYNTH)
 716         SET(HAVE_FLUIDSYNTH 1)
 717         ADD_BACKEND_LIBS(${FLUIDSYNTH_LIBRARIES})
 718         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 719             INCLUDE_DIRECTORIES(${FLUIDSYNTH_INCLUDE_DIR})
 720         ENDIF()
 721     ENDIF()
 722 ENDIF()
 723 IF(ALSOFT_REQUIRE_FLUIDSYNTH AND NOT HAVE_FLUIDSYNTH)
 724     MESSAGE(FATAL_ERROR "Failed to enabled required FluidSynth support")
 725 ENDIF()
 726
 727
 728 SET(BACKENDS "")
 729 SET(ALC_OBJS  ${ALC_OBJS}
 730               Alc/backends/base.c
 731               # Default backends, always available
 732               Alc/backends/loopback.c
 733               Alc/backends/null.c
 734 )
 735
 736 # Check ALSA backend
 737 OPTION(ALSOFT_REQUIRE_ALSA "Require ALSA backend" OFF)
 738 FIND_PACKAGE(ALSA)
 739 IF(ALSA_FOUND)
 740     OPTION(ALSOFT_BACKEND_ALSA "Enable ALSA backend" ON)
 741     IF(ALSOFT_BACKEND_ALSA)
 742         SET(HAVE_ALSA 1)
 743         SET(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
 744         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
 745         ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
 746         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 747             INCLUDE_DIRECTORIES(${ALSA_INCLUDE_DIRS})
 748         ENDIF()
 749     ENDIF()
 750 ENDIF()
 751 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
 752     MESSAGE(FATAL_ERROR "Failed to enabled required ALSA backend")
 753 ENDIF()
 754
 755 # Check OSS backend
 756 OPTION(ALSOFT_REQUIRE_OSS "Require OSS backend" OFF)
 757 FIND_PACKAGE(OSS)
 758 IF(OSS_FOUND)
 759     OPTION(ALSOFT_BACKEND_OSS "Enable OSS backend" ON)
 760     IF(ALSOFT_BACKEND_OSS)
 761         SET(HAVE_OSS 1)
 762         SET(BACKENDS  "${BACKENDS} OSS,")
 763         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
 764         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 765             INCLUDE_DIRECTORIES(${OSS_INCLUDE_DIRS})
 766         ENDIF()
 767     ENDIF()
 768 ENDIF()
 769 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
 770     MESSAGE(FATAL_ERROR "Failed to enabled required OSS backend")
 771 ENDIF()
 772
 773 # Check Solaris backend
 774 OPTION(ALSOFT_REQUIRE_SOLARIS "Require Solaris backend" OFF)
 775 FIND_PACKAGE(AudioIO)
 776 IF(AUDIOIO_FOUND)
 777     OPTION(ALSOFT_BACKEND_SOLARIS "Enable Solaris backend" ON)
 778     IF(ALSOFT_BACKEND_SOLARIS)
 779         SET(HAVE_SOLARIS 1)
 780         SET(BACKENDS  "${BACKENDS} Solaris,")
 781         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
 782         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 783             INCLUDE_DIRECTORIES(${AUDIOIO_INCLUDE_DIRS})
 784         ENDIF()
 785     ENDIF()
 786 ENDIF()
 787 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
 788     MESSAGE(FATAL_ERROR "Failed to enabled required Solaris backend")
 789 ENDIF()
 790
 791 # Check SndIO backend
 792 OPTION(ALSOFT_REQUIRE_SNDIO "Require SndIO backend" OFF)
 793 FIND_PACKAGE(SoundIO)
 794 IF(SOUNDIO_FOUND)
 795     OPTION(ALSOFT_BACKEND_SNDIO "Enable SndIO backend" ON)
 796     IF(ALSOFT_BACKEND_SNDIO)
 797         SET(HAVE_SNDIO 1)
 798         SET(BACKENDS  "${BACKENDS} SndIO (linked),")
 799         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
 800         SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
 801         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 802             INCLUDE_DIRECTORIES(${SOUNDIO_INCLUDE_DIRS})
 803         ENDIF()
 804     ENDIF()
 805 ENDIF()
 806 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
 807     MESSAGE(FATAL_ERROR "Failed to enabled required SndIO backend")
 808 ENDIF()
 809
 810 # Check QSA backend
 811 OPTION(ALSOFT_REQUIRE_QSA "Require QSA backend" OFF)
 812 FIND_PACKAGE(QSA)
 813 IF(QSA_FOUND)
 814     OPTION(ALSOFT_BACKEND_QSA "Enable QSA backend" ON)
 815     IF(ALSOFT_BACKEND_QSA)
 816         SET(HAVE_QSA 1)
 817         SET(BACKENDS  "${BACKENDS} QSA (linked),")
 818         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/qsa.c)
 819         SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
 820         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 821             INCLUDE_DIRECTORIES(${QSA_INCLUDE_DIRS})
 822         ENDIF()
 823     ENDIF()
 824 ENDIF()
 825 IF(ALSOFT_REQUIRE_QSA AND NOT HAVE_QSA)
 826     MESSAGE(FATAL_ERROR "Failed to enabled required QSA backend")
 827 ENDIF()
 828
 829 # Check Windows-only backends
 830 OPTION(ALSOFT_REQUIRE_WINMM "Require Windows Multimedia backend" OFF)
 831 OPTION(ALSOFT_REQUIRE_DSOUND "Require DirectSound backend" OFF)
 832 OPTION(ALSOFT_REQUIRE_MMDEVAPI "Require MMDevApi backend" OFF)
 833 IF(HAVE_WINDOWS_H)
 834     # Check MMSystem backend
 835     CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0502)
 836     IF(HAVE_MMSYSTEM_H)
 837         CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
 838         IF(HAVE_LIBWINMM)
 839             OPTION(ALSOFT_BACKEND_WINMM "Enable Windows Multimedia backend" ON)
 840             IF(ALSOFT_BACKEND_WINMM)
 841                 SET(HAVE_WINMM 1)
 842                 SET(BACKENDS  "${BACKENDS} WinMM,")
 843                 SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/winmm.c)
 844                 SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
 845             ENDIF()
 846         ENDIF()
 847     ENDIF()
 848
 849     # Check DSound backend
 850     FIND_PACKAGE(DSound)
 851     IF(DSOUND_FOUND)
 852         OPTION(ALSOFT_BACKEND_DSOUND "Enable DirectSound backend" ON)
 853         IF(ALSOFT_BACKEND_DSOUND)
 854             SET(HAVE_DSOUND 1)
 855             SET(BACKENDS  "${BACKENDS} DirectSound${IS_LINKED},")
 856             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
 857             ADD_BACKEND_LIBS(${DSOUND_LIBRARIES})
 858             IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 859                 INCLUDE_DIRECTORIES(${DSOUND_INCLUDE_DIRS})
 860             ENDIF()
 861         ENDIF()
 862     ENDIF()
 863
 864     # Check for MMDevApi backend
 865     CHECK_INCLUDE_FILE(mmdeviceapi.h HAVE_MMDEVICEAPI_H)
 866     IF(HAVE_MMDEVICEAPI_H)
 867         OPTION(ALSOFT_BACKEND_MMDEVAPI "Enable MMDevApi backend" ON)
 868         IF(ALSOFT_BACKEND_MMDEVAPI)
 869             SET(HAVE_MMDEVAPI 1)
 870             SET(BACKENDS  "${BACKENDS} MMDevApi,")
 871             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/mmdevapi.c)
 872         ENDIF()
 873     ENDIF()
 874 ENDIF()
 875 IF(ALSOFT_REQUIRE_WINMM AND NOT HAVE_WINMM)
 876     MESSAGE(FATAL_ERROR "Failed to enabled required WinMM backend")
 877 ENDIF()
 878 IF(ALSOFT_REQUIRE_DSOUND AND NOT HAVE_DSOUND)
 879     MESSAGE(FATAL_ERROR "Failed to enabled required DSound backend")
 880 ENDIF()
 881 IF(ALSOFT_REQUIRE_MMDEVAPI AND NOT HAVE_MMDEVAPI)
 882     MESSAGE(FATAL_ERROR "Failed to enabled required MMDevApi backend")
 883 ENDIF()
 884
 885 # Check PortAudio backend
 886 OPTION(ALSOFT_REQUIRE_PORTAUDIO "Require PortAudio backend" OFF)
 887 FIND_PACKAGE(PortAudio)
 888 IF(PORTAUDIO_FOUND)
 889     OPTION(ALSOFT_BACKEND_PORTAUDIO "Enable PortAudio backend" ON)
 890     IF(ALSOFT_BACKEND_PORTAUDIO)
 891         SET(HAVE_PORTAUDIO 1)
 892         SET(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
 893         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
 894         ADD_BACKEND_LIBS(${PORTAUDIO_LIBRARIES})
 895         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 896             INCLUDE_DIRECTORIES(${PORTAUDIO_INCLUDE_DIRS})
 897         ENDIF()
 898     ENDIF()
 899 ENDIF()
 900 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
 901     MESSAGE(FATAL_ERROR "Failed to enabled required PortAudio backend")
 902 ENDIF()
 903
 904 # Check PulseAudio backend
 905 OPTION(ALSOFT_REQUIRE_PULSEAUDIO "Require PulseAudio backend" OFF)
 906 FIND_PACKAGE(PulseAudio)
 907 IF(PULSEAUDIO_FOUND)
 908     OPTION(ALSOFT_BACKEND_PULSEAUDIO "Enable PulseAudio backend" ON)
 909     IF(ALSOFT_BACKEND_PULSEAUDIO)
 910         SET(HAVE_PULSEAUDIO 1)
 911         SET(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
 912         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
 913         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
 914         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 915             INCLUDE_DIRECTORIES(${PULSEAUDIO_INCLUDE_DIRS})
 916         ENDIF()
 917     ENDIF()
 918 ENDIF()
 919 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
 920     MESSAGE(FATAL_ERROR "Failed to enabled required PulseAudio backend")
 921 ENDIF()
 922
 923 # Check JACK backend
 924 OPTION(ALSOFT_REQUIRE_JACK "Require JACK backend" OFF)
 925 FIND_PACKAGE(JACK)
 926 IF(JACK_FOUND)
 927     OPTION(ALSOFT_BACKEND_JACK "Enable JACK backend" ON)
 928     IF(ALSOFT_BACKEND_JACK)
 929         SET(HAVE_JACK 1)
 930         SET(BACKENDS  "${BACKENDS} JACK${IS_LINKED},")
 931         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/jack.c)
 932         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
 933         IF(CMAKE_VERSION VERSION_LESS "2.8.8")
 934             INCLUDE_DIRECTORIES(${JACK_INCLUDE_DIRS})
 935         ENDIF()
 936     ENDIF()
 937 ENDIF()
 938 IF(ALSOFT_REQUIRE_JACK AND NOT HAVE_JACK)
 939     MESSAGE(FATAL_ERROR "Failed to enabled required JACK backend")
 940 ENDIF()
 941
 942 # Check CoreAudio backend
 943 OPTION(ALSOFT_REQUIRE_COREAUDIO "Require CoreAudio backend" OFF)
 944 FIND_LIBRARY(COREAUDIO_FRAMEWORK
 945              NAMES CoreAudio
 946              PATHS /System/Library/Frameworks
 947 )
 948 IF(COREAUDIO_FRAMEWORK)
 949     OPTION(ALSOFT_BACKEND_COREAUDIO "Enable CoreAudio backend" ON)
 950     IF(ALSOFT_BACKEND_COREAUDIO)
 951         SET(HAVE_COREAUDIO 1)
 952         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/coreaudio.c)
 953         SET(BACKENDS  "${BACKENDS} CoreAudio,")
 954         SET(EXTRA_LIBS ${COREAUDIO_FRAMEWORK} ${EXTRA_LIBS})
 955         SET(EXTRA_LIBS /System/Library/Frameworks/AudioUnit.framework ${EXTRA_LIBS})
 956         SET(EXTRA_LIBS /System/Library/Frameworks/ApplicationServices.framework ${EXTRA_LIBS})
 957
 958         # Some versions of OSX may need the AudioToolbox framework. Add it if
 959         # it's found.
 960         FIND_LIBRARY(AUDIOTOOLBOX_LIBRARY
 961                      NAMES AudioToolbox
 962                      PATHS ~/Library/Frameworks
 963                            /Library/Frameworks
 964                            /System/Library/Frameworks
 965                     )
 966         IF(AUDIOTOOLBOX_LIBRARY)
 967             SET(EXTRA_LIBS ${AUDIOTOOLBOX_LIBRARY} ${EXTRA_LIBS})
 968         ENDIF()
 969     ENDIF()
 970 ENDIF()
 971 IF(ALSOFT_REQUIRE_COREAUDIO AND NOT HAVE_COREAUDIO)
 972     MESSAGE(FATAL_ERROR "Failed to enabled required CoreAudio backend")
 973 ENDIF()
 974
 975 # Check for OpenSL (Android) backend
 976 OPTION(ALSOFT_REQUIRE_OPENSL "Require OpenSL backend" OFF)
 977 CHECK_INCLUDE_FILES("SLES/OpenSLES.h;SLES/OpenSLES_Android.h" HAVE_SLES_OPENSLES_ANDROID_H)
 978 IF(HAVE_SLES_OPENSLES_ANDROID_H)
 979     CHECK_SHARED_FUNCTION_EXISTS(slCreateEngine "SLES/OpenSLES.h" OpenSLES "" HAVE_LIBOPENSLES)
 980     IF(HAVE_LIBOPENSLES)
 981         OPTION(ALSOFT_BACKEND_OPENSL "Enable OpenSL backend" ON)
 982         IF(ALSOFT_BACKEND_OPENSL)
 983             SET(HAVE_OPENSL 1)
 984             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/opensl.c)
 985             SET(BACKENDS  "${BACKENDS} OpenSL,")
 986             SET(EXTRA_LIBS OpenSLES ${EXTRA_LIBS})
 987         ENDIF()
 988     ENDIF()
 989 ENDIF()
 990 IF(ALSOFT_REQUIRE_OPENSL AND NOT HAVE_OPENSL)
 991     MESSAGE(FATAL_ERROR "Failed to enabled required OpenSL backend")
 992 ENDIF()
 993
 994 # Optionally enable the Wave Writer backend
 995 OPTION(ALSOFT_BACKEND_WAVE "Enable Wave Writer backend" ON)
 996 IF(ALSOFT_BACKEND_WAVE)
 997     SET(HAVE_WAVE 1)
 998     SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/wave.c)
 999     SET(BACKENDS  "${BACKENDS} WaveFile,")
1000 ENDIF()
1001
1002 # This is always available
1003 SET(BACKENDS  "${BACKENDS} Null")
1004
1005 IF(ALSOFT_UTILS AND NOT ALSOFT_NO_CONFIG_UTIL)
1006     add_subdirectory(utils/alsoft-config)
1007 ENDIF()
1008 IF(ALSOFT_EXAMPLES)
1009     FIND_PACKAGE(SDL)
1010     IF(SDL_FOUND)
1011         FIND_PACKAGE(SDL_sound)
1012         IF(SDL_SOUND_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
1013             INCLUDE_DIRECTORIES(${SDL_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
1014         ENDIF()
1015     ENDIF()
1016     FIND_PACKAGE(SDL2)
1017     IF(SDL2_FOUND)
1018         FIND_PACKAGE(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
1019         IF(FFMPEG_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
1020             INCLUDE_DIRECTORIES(${FFMPEG_INCLUDE_DIRS})
1021         ENDIF()
1022     ENDIF()
1023 ENDIF()
1024
1025 IF(LIBTYPE STREQUAL "STATIC")
1026     ADD_DEFINITIONS(-DAL_LIBTYPE_STATIC)
1027     SET(PKG_CONFIG_CFLAGS -DAL_LIBTYPE_STATIC ${PKG_CONFIG_CFLAGS})
1028 ENDIF()
1029
1030 # Needed for openal.pc.in
1031 SET(prefix ${CMAKE_INSTALL_PREFIX})
1032 SET(exec_prefix "\${prefix}")
1033 SET(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
1034 SET(bindir "\${exec_prefix}/bin")
1035 SET(includedir "\${prefix}/include")
1036 SET(PACKAGE_VERSION "${LIB_VERSION}")
1037
1038 # End configuration
1039 CONFIGURE_FILE(
1040     "${OpenAL_SOURCE_DIR}/config.h.in"
1041     "${OpenAL_BINARY_DIR}/config.h")
1042 CONFIGURE_FILE(
1043     "${OpenAL_SOURCE_DIR}/openal.pc.in"
1044     "${OpenAL_BINARY_DIR}/openal.pc"
1045     @ONLY)
1046
1047 # Build a common library with reusable helpers
1048 ADD_LIBRARY(common STATIC ${COMMON_OBJS})
1049 IF(NOT LIBTYPE STREQUAL "STATIC")
1050     SET_PROPERTY(TARGET common PROPERTY POSITION_INDEPENDENT_CODE TRUE)
1051 ENDIF()
1052
1053 # Build main library
1054 IF(LIBTYPE STREQUAL "STATIC")
1055     ADD_LIBRARY(${LIBNAME} STATIC ${COMMON_OBJS} ${OPENAL_OBJS} ${ALC_OBJS})
1056 ELSE()
1057     ADD_LIBRARY(${LIBNAME} SHARED ${OPENAL_OBJS} ${ALC_OBJS})
1058 ENDIF()
1059 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES)
1060 IF(WIN32 AND ALSOFT_NO_UID_DEFS)
1061     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_NO_UID_DEFS)
1062 ENDIF()
1063 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES "${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
1064 IF(FLUIDSYNTH_FOUND)
1065     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${FLUIDSYNTH_INCLUDE_DIR})
1066 ENDIF()
1067 IF(HAVE_ALSA)
1068     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${ALSA_INCLUDE_DIRS})
1069 ENDIF()
1070 IF(HAVE_OSS)
1071     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${OSS_INCLUDE_DIRS})
1072 ENDIF()
1073 IF(HAVE_SOLARIS)
1074     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${AUDIOIO_INCLUDE_DIRS})
1075 ENDIF()
1076 IF(HAVE_SNDIO)
1077     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${SOUNDIO_INCLUDE_DIRS})
1078 ENDIF()
1079 IF(HAVE_QSA)
1080     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${QSA_INCLUDE_DIRS})
1081 ENDIF()
1082 IF(HAVE_DSOUND)
1083     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${DSOUND_INCLUDE_DIRS})
1084 ENDIF()
1085 IF(HAVE_PORTAUDIO)
1086     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${PORTAUDIO_INCLUDE_DIRS})
1087 ENDIF()
1088 IF(HAVE_PULSEAUDIO)
1089     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${PULSEAUDIO_INCLUDE_DIRS})
1090 ENDIF()
1091 IF(HAVE_JACK)
1092     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY INCLUDE_DIRECTORIES ${JACK_INCLUDE_DIRS})
1093 ENDIF()
1094 SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES VERSION ${LIB_VERSION}
1095                                             SOVERSION ${LIB_MAJOR_VERSION})
1096 IF(WIN32 AND NOT LIBTYPE STREQUAL "STATIC")
1097     SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
1098
1099     IF(MINGW AND ALSOFT_BUILD_IMPORT_LIB)
1100         FIND_PROGRAM(SED_EXECUTABLE NAMES sed DOC "sed executable")
1101         FIND_PROGRAM(DLLTOOL_EXECUTABLE NAMES "${DLLTOOL}" DOC "dlltool executable")
1102         IF(NOT SED_EXECUTABLE OR NOT DLLTOOL_EXECUTABLE)
1103             MESSAGE(STATUS "")
1104             IF(NOT SED_EXECUTABLE)
1105                 MESSAGE(STATUS "WARNING: Cannot find sed, disabling .def/.lib generation")
1106             ENDIF()
1107             IF(NOT DLLTOOL_EXECUTABLE)
1108                 MESSAGE(STATUS "WARNING: Cannot find dlltool, disabling .def/.lib generation")
1109             ENDIF()
1110         ELSE()
1111             SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES LINK_FLAGS "-Wl,--output-def,${LIBNAME}.def")
1112             ADD_CUSTOM_COMMAND(TARGET ${LIBNAME} POST_BUILD
1113                 COMMAND "${SED_EXECUTABLE}" -i -e "s/ @[^ ]*//" ${LIBNAME}.def
1114                 COMMAND "${DLLTOOL_EXECUTABLE}" -d ${LIBNAME}.def -l ${LIBNAME}.lib -D ${LIBNAME}.dll
1115                 COMMENT "Stripping ordinals from ${LIBNAME}.def and generating ${LIBNAME}.lib..."
1116                 VERBATIM
1117             )
1118         ENDIF()
1119     ENDIF()
1120 ENDIF()
1121
1122 TARGET_LINK_LIBRARIES(${LIBNAME} common ${EXTRA_LIBS})
1123
1124 IF(ALSOFT_INSTALL)
1125     # Add an install target here
1126     INSTALL(TARGETS ${LIBNAME}
1127             RUNTIME DESTINATION bin
1128             LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1129             ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1130     )
1131     INSTALL(FILES include/AL/al.h
1132                   include/AL/alc.h
1133                   include/AL/alext.h
1134                   include/AL/efx.h
1135                   include/AL/efx-creative.h
1136                   include/AL/efx-presets.h
1137             DESTINATION include/AL
1138     )
1139     INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
1140             DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
1141 ENDIF()
1142
1143
1144 MESSAGE(STATUS "")
1145 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
1146 MESSAGE(STATUS "    ${BACKENDS}")
1147 MESSAGE(STATUS "")
1148 MESSAGE(STATUS "Building with support for CPU extensions:")
1149 MESSAGE(STATUS "    ${CPU_EXTS}")
1150 MESSAGE(STATUS "")
1151 IF(HAVE_FLUIDSYNTH)
1152     MESSAGE(STATUS "FluidSynth support for ALC_SOFT_midi_interface enabled")
1153     MESSAGE(STATUS "")
1154 ENDIF()
1155
1156 IF(WIN32)
1157     IF(NOT HAVE_DSOUND)
1158         MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
1159         MESSAGE(STATUS "         This is probably NOT what you want!")
1160         MESSAGE(STATUS "")
1161     ENDIF()
1162 ENDIF()
1163
1164 # Install alsoft.conf configuration file
1165 IF(ALSOFT_CONFIG)
1166     INSTALL(FILES alsoftrc.sample
1167             DESTINATION share/openal
1168     )
1169     MESSAGE(STATUS "Installing sample configuration")
1170     MESSAGE(STATUS "")
1171 ENDIF()
1172
1173 # Install HRTF definitions
1174 IF(ALSOFT_HRTF_DEFS)
1175     INSTALL(FILES hrtf/default-44100.mhr
1176                   hrtf/default-48000.mhr
1177             DESTINATION share/openal/hrtf
1178     )
1179     MESSAGE(STATUS "Installing HRTF definitions")
1180     MESSAGE(STATUS "")
1181 ENDIF()
1182
1183 IF(ALSOFT_UTILS)
1184     ADD_EXECUTABLE(openal-info utils/openal-info.c)
1185     TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
1186
1187     ADD_EXECUTABLE(makehrtf utils/makehrtf.c)
1188     IF(HAVE_LIBM)
1189         TARGET_LINK_LIBRARIES(makehrtf m)
1190     ENDIF()
1191
1192     IF(ALSOFT_INSTALL)
1193         INSTALL(TARGETS openal-info makehrtf
1194                 RUNTIME DESTINATION bin
1195                 LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1196                 ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1197         )
1198     ENDIF()
1199
1200     MESSAGE(STATUS "Building utility programs")
1201     IF(TARGET alsoft-config)
1202         MESSAGE(STATUS "Building configuration program")
1203     ENDIF()
1204     MESSAGE(STATUS "")
1205 ENDIF()
1206
1207 IF(ALSOFT_EXAMPLES)
1208     IF(SDL_FOUND AND SDL_SOUND_FOUND)
1209         ADD_LIBRARY(ex-common STATIC examples/common/alhelpers.c
1210                                      examples/common/sdl_sound.c)
1211         SET_PROPERTY(TARGET ex-common APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL_INCLUDE_DIR}
1212                                                                           ${SDL_SOUND_INCLUDE_DIR})
1213
1214         ADD_EXECUTABLE(alstream examples/alstream.c)
1215         TARGET_LINK_LIBRARIES(alstream ex-common ${SDL_SOUND_LIBRARIES} ${SDL_LIBRARY} ${LIBNAME})
1216         SET_PROPERTY(TARGET alstream APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL_INCLUDE_DIR}
1217                                                                          ${SDL_SOUND_INCLUDE_DIR})
1218
1219         ADD_EXECUTABLE(alreverb examples/alreverb.c)
1220         TARGET_LINK_LIBRARIES(alreverb ex-common ${SDL_SOUND_LIBRARIES} ${SDL_LIBRARY} ${LIBNAME})
1221         SET_PROPERTY(TARGET alreverb APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL_INCLUDE_DIR}
1222                                                                          ${SDL_SOUND_INCLUDE_DIR})
1223
1224         ADD_EXECUTABLE(allatency examples/allatency.c)
1225         TARGET_LINK_LIBRARIES(allatency ex-common ${SDL_SOUND_LIBRARIES} ${SDL_LIBRARY} ${LIBNAME})
1226         SET_PROPERTY(TARGET allatency APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL_INCLUDE_DIR}
1227                                                                           ${SDL_SOUND_INCLUDE_DIR})
1228
1229         ADD_EXECUTABLE(alloopback examples/alloopback.c)
1230         TARGET_LINK_LIBRARIES(alloopback ex-common ${SDL_SOUND_LIBRARIES} ${SDL_LIBRARY} ${LIBNAME})
1231         SET_PROPERTY(TARGET alloopback APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL_INCLUDE_DIR}
1232                                                                            ${SDL_SOUND_INCLUDE_DIR})
1233
1234         IF(ALSOFT_INSTALL)
1235             INSTALL(TARGETS alstream alreverb allatency alloopback
1236                     RUNTIME DESTINATION bin
1237                     LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1238                     ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1239             )
1240         ENDIF()
1241
1242         MESSAGE(STATUS "Building SDL example programs")
1243     ENDIF()
1244
1245     IF(SDL2_FOUND)
1246         SET(FFVER_OK FALSE)
1247         IF(FFMPEG_FOUND)
1248             SET(FFVER_OK TRUE)
1249             IF(AVFORMAT_VERSION VERSION_LESS "55.33.100")
1250                 MESSAGE(STATUS "libavformat is too old! (${AVFORMAT_VERSION}, wanted 55.33.100)")
1251                 SET(FFVER_OK FALSE)
1252             ENDIF()
1253             IF(AVCODEC_VERSION VERSION_LESS "55.52.102")
1254                 MESSAGE(STATUS "libavcodec is too old! (${AVCODEC_VERSION}, wanted 55.52.102)")
1255                 SET(FFVER_OK FALSE)
1256             ENDIF()
1257             IF(AVUTIL_VERSION VERSION_LESS "52.66.100")
1258                 MESSAGE(STATUS "libavutil is too old! (${AVUTIL_VERSION}, wanted 52.66.100)")
1259                 SET(FFVER_OK FALSE)
1260             ENDIF()
1261             IF(SWSCALE_VERSION VERSION_LESS "2.5.102")
1262                 MESSAGE(STATUS "libswscale is too old! (${SWSCALE_VERSION}, wanted 2.5.102)")
1263                 SET(FFVER_OK FALSE)
1264             ENDIF()
1265             IF(SWRESAMPLE_VERSION VERSION_LESS "0.18.100")
1266                 MESSAGE(STATUS "libswresample is too old! (${SWRESAMPLE_VERSION}, wanted 0.18.100)")
1267                 SET(FFVER_OK FALSE)
1268             ENDIF()
1269         ENDIF()
1270         IF(FFVER_OK AND NOT MSVC)
1271             ADD_EXECUTABLE(alffplay examples/alffplay.c)
1272             TARGET_LINK_LIBRARIES(alffplay common ${SDL2_LIBRARY} ${LIBNAME} ${FFMPEG_LIBRARIES})
1273             SET_PROPERTY(TARGET alffplay APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
1274                                                                              ${FFMPEG_INCLUDE_DIRS})
1275
1276             IF(ALSOFT_INSTALL)
1277                 INSTALL(TARGETS alffplay
1278                         RUNTIME DESTINATION bin
1279                         LIBRARY DESTINATION "lib${LIB_SUFFIX}"
1280                         ARCHIVE DESTINATION "lib${LIB_SUFFIX}"
1281                 )
1282             ENDIF()
1283             MESSAGE(STATUS "Building FFmpeg example programs")
1284         ENDIF()
1285     ENDIF()
1286     MESSAGE(STATUS "")
1287 ENDIF()